You Obtained Robs =

Multiple Choice

You obtained robs = +.39 when correlating the number of hours per week spent studying by a student and his or her grade point average. In order to find if this correlation coefficient is statistically significant, you need to know the.

A) means for both variables
B) standard deviation for both variables
C) number of pairs of scores on which robs was based
D) CPXY for this correlation